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发明名称
PRODUCTION OF SILICA RAW MATERIAL
摘要
申请公布号
JPH02225313(A)
申请公布日期
1990.09.07
申请号
JP19890044657
申请日期
1989.02.23
申请人
NIPPON SANSO KK
发明人
NAMIKAWA HIROSHI;IMAI HIROAKI;MIYAKE SHINICHI;SAWAMURA KUNIHIDE
分类号
C01B33/12;C03B19/10
主分类号
C01B33/12
代理机构
代理人
主权项
地址
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